Introduction
This manual provides essential instructions for the safe and efficient use of your onerbl AC-DC Adapter, designed as a replacement power supply for devices requiring 16.1V DC at 3.5A, specifically compatible with KPTEC Model K65A161350U. Please read this manual thoroughly before use and retain it for future reference.

Image: The onerbl AC-DC Adapter, including the main adapter unit, the AC input power cord, and the DC output cable with a barrel connector.
Setup
- Verify Compatibility: Ensure your device requires a 16.1V DC input and a 3.5A current, and uses a barrel connector. This adapter is specifically compatible with KPTEC Model K65A161350U.
- Connect AC Power Cord: Plug the AC input power cord into the adapter's AC inlet.
- Connect DC Output Cable: Connect the DC output cable's barrel connector to your device's power input port.
- Plug into Wall Outlet: Insert the AC power cord's plug into a standard electrical wall outlet.

Image: The onerbl AC-DC Adapter properly connected to a wall outlet and a compatible electronic device, indicating readiness for operation.
Operating Instructions
- Once connected to a power source and your device, the adapter's indicator light (typically blue) will illuminate, signifying that power is being supplied.
- The adapter is designed to provide stable power for operating your device or charging its battery.
- This adapter features built-in Over Voltage Protection and Over Heat Protection to ensure safe operation.
Maintenance
- Keep the adapter and cables clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the adapter to moisture, extreme temperatures, or direct sunlight.
- Do not attempt to open or repair the adapter. Refer servicing to qualified personnel.
- Store the adapter in a cool, dry place when not in use. Avoid tightly coiling the cables to prevent damage.
Troubleshooting
- No Power / Indicator Light Off:
- Ensure all cable connections are secure between the adapter, AC cord, and your device.
- Verify that the wall outlet is functioning by testing it with another device.
- Check for any visible damage to the adapter or cables. If damaged, discontinue use.
- Device Not Charging / Operating:
- Confirm that the adapter's specifications (16.1V, 3.5A) match your device's power requirements.
- Ensure the barrel connector is fully inserted into your device's power port.
- If the issue persists, your device may have an internal problem.
Specifications
| Attribute | Value |
|---|---|
| Brand | onerbl |
| Model | K65A161350U (Compatible) |
| Input Voltage | AC (Standard Wall Outlet) |
| Output Voltage | 16.1V DC |
| Output Amperage | 3.5A (3500mA) |
| Wattage | 56 Watts |
| Connector Type | Barrel Connector |
| Included Components | 1 x Power Adapter, 2 x Cables (AC and DC) |
| Special Feature | Travel-friendly design |
| Safety Features | Over Voltage Protection, Over Heat Protection |

Image: Detailed diagram illustrating the dimensions of the adapter unit and the total cable length, which is approximately 127.8 inches (324.6 cm).
Warranty and Support
Specific warranty details for this onerbl AC-DC Adapter are typically provided by the seller at the time of purchase. Please refer to your purchase documentation or contact the seller directly for information regarding warranty coverage and support services.
For technical assistance or inquiries, please reach out to the customer support channel provided by your retailer or the onerbl brand.